Biology Quiz 15 Wanda

Total Flash Cards » 25
 
1. 

The closer relatives two species are, the less genomic differences between them.

 

TRUE

 
2. 

Of the following organisms, which has the largest genome size?

 

Commercial rice

 
3. 

Protein-specifying fragments are known as

 

exons

 
4. 

Which of the following is the largest genome sequenced to date?

 

homo sapiens (human)

 
5. 

Bits of DNA that literally jump from one chromosome to another are:

 

transposable elements

 
6. 

All of the following are
true about the HOX gene except:

 

It plays a role in the
brain development of animals.

 
7. 

Noncoding "junk"
DNA is rich in regulatory RNA sequences and may in fact have more of a function
than previously assumed.

 

TRUE

 
8. 

When comparing the genomes
of a variety of organisms, what is most surprising?

 

The number of similarities
between species

 
9. 

The new area of science
that seeks to catalog and analyze every protein in the human body to help
understand the human genome is called:

 

proteomics

 
10. 

The fastest growing area of
research in genomics is:

 

bioinformatics

 
11. 

The most effective way to
analyze variation at the whole genome level is to use:

 

single nucleotide
polymorphisms

 
12. 

Comparing the entire DNA
content of different organisms is called:

 

genomics

 
13. 

All of the genes and other
DNA of an organism constitute its:

 

genome

 
14. 

Which of the following is
NOT a transposable element?

 

Single copy genes

 
15. 

What percent of the human
genome is coding DNA?

 

1 - 1.5%

 
16. 

Which was the genome to be
fully sequenced?

 

The bacterial virus ΦX174

 
17. 

How many genes constitute
the human genome?

 

About 25,000

 
18. 

All of the following are
correct about the X and Y chromosomes except:

 

Males have two Y
chromosomes

 
19. 

In the procedure known as
gel electrophoresis, DNA fragments are separated by their:

 

size

 
20. 

Groups of related but
distinctly different genes that occur together in clusters are called:

 

multigene families

 
21. 

Humans have 46 chromosomes.
Gorillas, chimpanzees, and orangutans have 48. The explanation is:

 

that there was fusion of
two chromosomes in humans

 
22. 

Tandem clusters allow:

 

production of a huge amount
of product in a very short time period

 
23. 

If only about 1% of the
human genome is devoted to protein-encoded genes, what is the majority of the
rest?

 

Transposable elements

 
24. 

Which of the following is incorrect
about microarrays?

 

The GeneChip by
Affymetrix includes 100 known human genes.

 
25. 





Select an example of a
palindrome from the choices below

























 

Option B